Home / 1,700,128.85-2,549,009.59-752,986.13

Finding the Fourth Proportional to 1,700,128.85, 2,549,009.59 and 752,986.13

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Solution

The fourth proportional to 1,700,128.85, 2,549,009.59 and 752,986.13 is: 1,128,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,128.85 : 2,549,009.59 = 752,986.13 : x
  2. Step 2: Convert to fraction form
    1,700,128.85/2,549,009.59 = 752,986.13/x
  3. Step 3: Cross multiply
    1,700,128.85x = 2,549,009.59 × 752,986.13
  4. Step 4: Simplify right side
    1,700,128.85x = 1,919,368,866,506.99
  5. Step 5: Solve for x
    x = 1,919,368,866,506.99/1,700,128.85
  6. Step 6: Final answer
    x = 1,128,954.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.